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Difference between revisions of "Chordoma"
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→Microscopic
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**Myxopapillary ependymoma. | **Myxopapillary ependymoma. | ||
**[[Myxoid liposarcoma]] - negative for EMA and cytokeratins. | **[[Myxoid liposarcoma]] - negative for EMA and cytokeratins. | ||
* | *Chordoid lesions: | ||
**[[ | **[[Chordoid meningioma]]. | ||
** | **Chordoid glioma<ref>{{Cite journal | last1 = Zarghouni | first1 = M. | last2 = Vandergriff | first2 = C. | last3 = Layton | first3 = KF. | last4 = McGowan | first4 = JB. | last5 = Coimbra | first5 = C. | last6 = Bhakti | first6 = A. | last7 = Opatowsky | first7 = MJ. | title = Chordoid glioma of the third ventricle. | journal = Proc (Bayl Univ Med Cent) | volume = 25 | issue = 3 | pages = 285-6 | month = Jul | year = 2012 | doi = | PMID = 22754136 }}</ref> - location, location, location. | ||
**Large notochordal rest - only evidence of destructive growth can identify a chordoma. | **Large notochordal rest - only evidence of destructive growth can identify a chordoma. | ||
*[[Metastasis]]: | *[[Metastasis]]: | ||
**Metastatic [[signet ring cell carcinoma]] - negative for S100 and brachyury | **Metastatic [[signet ring cell carcinoma]] - negative for S100 and brachyury, [[clinical history]] (important). | ||
**Metastatic [[clear cell renal cell carcinoma]] - negative for S100 and brachyury | **Metastatic [[clear cell renal cell carcinoma]] - negative for S100 and brachyury, clinical history (important). | ||
*[[Parachordoma]] - extremely rare. | *[[Parachordoma]] - extremely rare. | ||